4-29. ELECTRICAL CONDUIT AND WIRES REPLACEMENT (Con't).
When performing electrical maintenance, ALWAYS disconnect inter-
vehicular electrical cable from semitrailer. Failure to follow this warning
may create a spark and explosion, resulting in serious injury or death to
Refer to paragraph 4-30 for information on routing of electrical wires and
location of electrical components.
Installation of front clearance and marker light conduit is covered in
Refer to Appendix G for information on manufacturing electrical conduit
(1) and wires (4).
Ensure that all connections are made to clean, uncorroded surfaces.
Coat all wire connections with corrosive preventive compound before
they are made.
Cut electrical conduit (1) and wires (4) to length.
Feed all wires (4) through electrical conduit (1).
Apply grease to all grommets along electrical conduit routing.
Install one end of electrical conduit (1):
If installing electrical conduit at voltage control unit (2). at condulet (7) at side clearance
and marker light (6), at triple clearance light assembly, or at convoy warning light con-
dulet, feed wires (4) through connector (8) and connect electrical conduit. Tighten nut
To aid in installation at rear light box, bend electrical conduit before feeding
conduit through grommet into light box.
If installing electrical conduit at rear of semitrailer, feed wires and electrical conduit
through grommet into light box.
Use caution when securing electrical conduit (1) under clips. Improper han-
dling of clips will cause them to break.
If two or more consecutive clips are missing or damaged, notify direct sup-
Bend electrical conduit (l), as required, and secure under clips by tapping clips with a soft-